KickStart rupture disc valve saves money and time on multistage fracturing operations by eliminating the need for perforating in the first stage.
The valve is run into the toe of the well as part of the casing string. Increasing casing pressure causes the valve's rupture discs to burst, shifting a sliding sleeve and opening the valve to expose the formation to the fracturing fluid. The first stimulation treatment can begin, followed by subsequent pumpdown operations.
Each KickStart valve features two rupture discs, placed 180° apart. The system has full redundancy, as only one of the discs must rupture to activate the sliding sleeve. Rupture discs are available in 250- to 300-psi pressure increments and can be installed at the wellsite.
The valve's helical exit ports also are designed to reduce fracture initiation pressure and to provide 360° coverage so that fractures initiate in the preferred plane.
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